Microchip Technology

DSPIC33FJ128MC506A-E/PT - 16-bit 40MIPS 128KB Flash DSC | Microchip

부품 번호: DSPIC33FJ128MC506A-E/PT ✓ 활성
재고 있음 영업일 기준 1~3일 내 발송
3 V to 3.6 V Vdss 64-TQFP (10x10 mm) Package 40 MIPS (40 MHz core clock) Speed 128 KB (128K x 8) Flash Memory
시작가 $6.9 USD / 개
MOQ: 1 |
가격 업데이트: 2026-09-26
볼륨 가격
수량 단가 합계
1 $8.97 $8.97
10 $8.52 $85.20
25 $8.21 $205.25
100 $7.58 $758.00
1,000 $6.9 $6,900.00
ℹ️ 모든 가격은 USD 기준입니다

DSPIC33FJ128MC506A-E/PT 개요

The Microchip Technology DSPIC33FJ128MC506A-E/PT is a 16-bit digital signal controller (DSC) delivering up to 40 MIPS from 128 KB (128K x 8) of Flash program memory and 8 KB of RAM, housed in a 64-pin TQFP (10x10 mm) package rated for the extended -40C to +125C temperature range.

A digital signal controller combines the compute power of a DSP engine with the peripheral set and ease of use of a microcontroller. Within the power-management hierarchy, the dsPIC33FJ family sits alongside general-purpose MCUs and dedicated DSPs, targeting closed-loop control systems such as motor drives and digital power conversion where hardware multiply-accumulate and fast interrupt response matter.

Key features include a 16-bit modified Harvard architecture core running at 40 MIPS, 128 KB self-programmable Flash, 8 KB SRAM, and a motor-control PWM peripheral suited to brushless DC, single- and 3-phase induction, and switched reluctance motors. The device also integrates CAN 2.0B communication, serial ports (UART, SPI, I2C), 8 DMA channels, 11 timers, and 53 general-purpose I/O pins.

Technically, the A-variant revision of the dsPIC33FJ128MC506 family adds an enhanced analog and peripheral set with the ECAN module, enabling deterministic in-vehicle or industrial networking alongside deterministic control loops. The DSP engine supports single-cycle MAC and hardware division, while DMA offloads the core during high-rate ADC and PWM update loops.

Typical applications include brushless DC motor drives, industrial inverters and UPS systems, digital power supplies, and automotive-adjacent control nodes requiring AEC-Q100-style extended temperature coverage. The CAN interface and rich timer resources make it a strong fit for UniFI/fieldbus-connected drives.

Design consideration: the core is supplied from a 3.0V to 3.6V rail, so level shifting is required for 5V peripherals, and the internal regulator requires proper decoupling per the manufacturer datasheet layout guidance.

This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

드롭인 대체품: DSPIC33FJ128MC506A-E/PT — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.

이 시리즈의 변형

다음과 드롭인 호환되는 동일 시리즈 모델: DSPIC33FJ128MC506A-E/PT (동일 폼 팩터 및 풋프린트) — 차이점: Package, Core Architecture, Operating Temperature, Timers, ADC.

Microchip Technology
Core Architecture: 16-bit dsPIC DSC
Operating Temperature: -40C to +125C
Microchip Technology
Package: 64-VQFN (9x9 mm) with Exposed Pad
Operating Temperature: -40C to +125C (E grade)
Microchip Technology
Core Architecture: CMOS, modified Harvard
Microchip Technology
Package: TQFP-64 (10x10 mm, 0.5 mm pitch)
Operating Temperature: -40C to +85C
Microchip Technology
Package: 64-pin TQFP (PT) 10x10 mm
Core Architecture: dsPIC33F (16-bit DSC)
Timers: 5x 16-bit, 1x 32-bit
Microchip Technology
Package: TQFP-80 (12x12 mm)
Core Architecture: dsPIC33F 16-bit DSC (DSP + MCU)
ADC: 12-bit, up to 16 channels
Microchip Technology
Package: 100-TQFP (12 x 12 mm)
Core Architecture: dsPIC33F (modified Harvard, 16-bit data, 24-bit instruction)
Operating Temperature: -40 C to +125 C (Extended)

빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:

DSPIC33FJ128MC506A-I/PT

✅ 드롭인
Microchip Technology
📦 64-TQFP (10x10)
dsPIC33F 16-bit · 40 MIPS / 40 MHz · 128 KB · 30 KB (8192 words x 16-bit RAM per distributor data) · 3.0 V to 3.6 V · 8 · 11 · 4

✓ 재고 있음

$3.2 / 개

데이터시트 보기 →

DSPIC33FJ128MC506

✅ 드롭인
📦 64-TQFP (10x10)
non-A silicon revision; lacks A-variant peripheral/analog enhancements, same 40 MIPS / 128 KB Flash / 64-TQFP footprint

📋 참조 대체품 (카탈로그에 없음)

DSPIC33FJ256MC506A

✅ 드롭인 ⚠️ 사양 미검증
📦 64-TQFP (10x10)
256 KB Flash vs 128 KB Flash (+100%), same 40 MIPS core and pinout

📋 참조 대체품 (카탈로그에 없음)

DSPIC33FJ64MC506A

✅ 드롭인 ⚠️ 사양 미검증
📦 64-TQFP (10x10)
64 KB Flash vs 128 KB Flash (-50%), same core and peripheral set, pin-to-pin compatible

📋 참조 대체품 (카탈로그에 없음)

DSPIC33FJ128MC706A

✅ 드롭인 ⚠️ 사양 미검증
📦 64-TQFP (10x10)
same 40 MIPS / 128 KB / ECAN / motor-control PWM, higher-performance ADC variant of the MC family, pin-compatible 64-TQFP

📋 참조 대체품 (카탈로그에 없음)

DSPIC33FJ128GP706A-E/PT

✅ 드롭인 ⚠️ 사양 미검증
Microchip Technology
📦 64-TQFP (10x10)
16-bit dsPIC DSC · 40 MIPS · 40 MHz · 128 KB · 16 KB · 3.0 V to 3.6 V · 3.3 V · -40C to +125C

✓ 재고 있음

$5.9 / 개

데이터시트 보기 →

DSPIC33FJ128MC506A-E/PT 최대 정격 & 전기적 특성

Core Architecture 16-bit dsPIC33F DSC (CMOS)
Maximum CPU Speed 40 MIPS (40 MHz core clock)
Program Memory 128 KB (128K x 8) Flash
RAM 8 KB (8K x 8)
공급 전압 3 V to 3.6 V
동작 온도 -40C to +125C (Extended, E grade)
패키지 64-TQFP (10x10 mm)
I/O Pins 53
DMA Channels 8
Timers 11
Serial Interfaces 4 serial I/O ports (UART, SPI, I2C)
External Interrupt Sources 5
CAN ECAN, CAN 2.0B
Motor Control Peripherals Motor Control PWM (BLDC, induction, switched reluctance)
실장 유형 Surface Mount
Qualification AEC-Q100 (per distributor datasheet listing)

DSPIC33FJ128MC506A-E/PT 핀 구성

TQFP-64 Package Pinout Diagram TQFP-64 10x10mm, P0.5mm, JEDEC MS-026. 1 16 TQFP-64
핀 1 MCLR — Master clear reset input
핀 2 AN0/VREF+/CN3/RB0 — Analog input 0 / positive voltage reference
핀 3 AN1/VREF-/CN2/RB1 — Analog input 1 / negative voltage reference
핀 4 AN2/SS1/CN4/RB2 — Analog input 2 / SPI1 slave select
핀 5 AN3/INDX/CN5/RB3 — Analog input 3 / encoder index
핀 6 AN4/QEA/IC7/CN6/RB4 — Analog input 4 / encoder phase A
핀 7 AN5/QEB/IC8/CN7/RB5 — Analog input 5 / encoder phase B
핀 8 AN6/OCFA/RB6 — Analog input 6 / PWM fault A
핀 9 AN7/UPDN/RB7 — Analog input 7 / counter up-down
핀 10 AN8/RP15/PMCS1/RB8 — Analog input 8 / remappable pin RP15
핀 11 AN9/RP14/PMCS2/RB9 — Analog input 9 / remappable pin RP14
핀 12 AN10/RP13/RTCC/RB10 — Analog input 10 / RTCC alarm
핀 13 AN11/RP12/PMWR/RB11 — Analog input 11 / remappable pin RP12
핀 14 VSS — Ground reference
핀 15 VDD — Power supply (3.0V-3.6V)
핀 16 TMS/RP11/RB12 — JTAG test mode select
핀 17 TDI/RP10/RB13 — JTAG test data in
핀 18 TDO/RP9/RB14 — JTAG test data out
핀 19 TCK/RP8/RB15 — JTAG test clock
핀 20 VDD — Power supply
핀 21 OSC1/CLKI/RC12 — Oscillator input / external clock in
핀 22 OSC2/CLKO/RC15 — Oscillator output / clock out
핀 23 VSS — Ground reference
핀 24 SOSCI/CN1/RC13 — Secondary oscillator input
핀 25 SOSCO/T1CK/CN0/RA4 — Secondary oscillator output / Timer1 clock
핀 26 SCL/RG2 — I2C clock
핀 27 SDA/RG3 — I2C data
핀 28 INT0/RD0 — External interrupt 0
핀 29 RD1 — General purpose I/O port D
핀 30 RD2 — General purpose I/O port D
핀 31 RD3 — General purpose I/O port D
핀 32 RD4 — General purpose I/O port D
핀 33 VDD — Power supply
핀 34 RD5 — General purpose I/O port D
핀 35 RD6 — General purpose I/O port D
핀 36 RD7 — General purpose I/O port D
핀 37 SCK2/RG6 — SPI2 clock
핀 38 SDI2/RG7 — SPI2 data in
핀 39 SDO2/RG8 — SPI2 data out
핀 40 SS2/CN10/RG9 — SPI2 slave select
핀 41 VSS — Ground reference
핀 42 RF12 — General purpose I/O port F (UART alt.)
핀 43 RF13 — General purpose I/O port F (UART alt.)
핀 44 SCK1/RF6 — SPI1 clock
핀 45 SDI1/RF7 — SPI1 data in
핀 46 SDO1/RF8 — SPI1 data out
핀 47 SS1/RF2 — SPI1 slave select
핀 48 U1TX/RF3 — UART1 transmit
핀 49 U1RX/RF2 — UART1 receive
핀 50 PWM1L1/RF4 — Motor control PWM 1 low / I/O
핀 51 PWM1H1/RF5 — Motor control PWM 1 high / I/O
핀 52 VDD — Power supply
핀 53 PWM1L2/RF0 — Motor control PWM 1 low / I/O
핀 54 PWM1H2/RF1 — Motor control PWM 1 high / I/O
핀 55 PWM2L1/RD8 — Motor control PWM 2 low / I/O
핀 56 PWM2H1/RD9 — Motor control PWM 2 high / I/O
핀 57 PWM2L2/RD10 — Motor control PWM 2 low / I/O
핀 58 PWM2H2/RD11 — Motor control PWM 2 high / I/O
핀 59 AVDD — Analog power supply
핀 60 AVSS — Analog ground
핀 61 PWM3L1/RD12 — Motor control PWM 3 low / I/O
핀 62 PWM3H1/RD13 — Motor control PWM 3 high / I/O
핀 63 PWM3L2/RD14 — Motor control PWM 3 low / I/O
핀 64 PWM3H2/RD15 — Motor control PWM 3 high / I/O

일반적인 애플리케이션

DSPIC33FJ128MC506A-E/PT 적합 용도: 6 애플리케이션s: Brushless DC Motor Drives, Industrial Inverters and UPS, Digital Power Supplies, Automotive-Adjacent Control Nodes, Factory Automation and Robotics, Embedded Systems Education and Prototyping.

🏭

Brushless DC Motor Drives

The DSPIC33FJ128MC506A-E/PT fits brushless DC (BLDC) motor control because its 40 MIPS DSP core executes commutation and current-loop algorithms with deterministic latency, while the dedicated motor-control PWM peripheral generates complementary PWM pairs with programmable dead time. Microchip explicitly positions this family for BLDC, induction, and switched reluctance motors. In a typical three-phase BLDC inverter, the DSC reads Hall sensors or computes sensorless back-EMF on its ADC inputs, updates the PWM duty cycle within one control cycle, and reports status over ECAN. The 8 DMA channels move ADC results to RAM without core intervention, keeping interrupt overhead low. Compared with a generic MCU, the single-cycle MAC accelerates field-oriented control math measurably.

⚡

Industrial Inverters and UPS

Single- and 3-phase induction motor drives and uninterruptible power supplies benefit from the DSPIC33FJ128MC506A-E/PT's combination of 40 MIPS control bandwidth, 11 timers, and ECAN networking. The motor-control PWM outputs drive the inverter bridge while the ADC samples DC-bus voltage and phase currents for voltage/frequency or vector control algorithms. The extended -40C to +125C temperature rating covers industrial cabinets with limited forced-air cooling, and CAN 2.0B connectivity integrates the drive into factory fieldbus networks. The 128 KB Flash leaves headroom for protocol stacks such as CANopen on top of the control firmware. Designers should budget the 3.0V-3.6V supply rail and isolate the CAN transceiver from the power stage for robust noise immunity.

🔧

Digital Power Supplies

Switch-mode power supplies and DC-DC converters with digital control loops use the DSPIC33FJ128MC506A-E/PT's fast ADC, DMA, and PWM peripherals to close voltage and current loops at switching frequencies in the tens of kilohertz and beyond. The 40 MIPS core executes compensator mathematics - proportional-integral or more advanced 2p2z structures - with single-cycle MAC operations, while DMA streams conversion results so the core is never stalled. ECAN allows digital power supplies in telecom or server racks to report telemetry and accept setpoint commands. The 53 I/O pins support auxiliary housekeeping functions such as fan control, sequencing, and fault latching on one die, reducing bill-of-material count versus a discrete controller plus supervisor approach.

🚗

Automotive-Adjacent Control Nodes

Although designers must confirm qualification level per build, the DSPIC33FJ128MC506A-E/PT is listed by distributors with AEC-Q100-style qualification data and offers the extended -40C to +125C range typical of under-hood-adjacent modules. The ECAN module implements CAN 2.0B for in-vehicle networking, and the 40 MIPS core handles pump, fan, and actuator motor control with room for diagnostic routines. The 128 KB Flash accommodates UDS/KWP-style service layers alongside the control application. When integrating near 5V automotive transients, add proper TVS protection on the CAN lines and regulator front end, and observe the 3.0V-3.6V supply tolerance in the power tree. Microchip's long-term availability commitments support multi-year automotive-adjacent programs.

🏭

Factory Automation and Robotics

Servo drives, conveyors, and robotic joints in factory automation require coordinated multi-axis motion and deterministic communication, both served by the DSPIC33FJ128MC506A-E/PT. Its motor-control PWM generates the six switching signals per axis with hardware dead-time insertion, while quadrature encoder interface inputs (QEA/QEB pins) close the position loop at 40 MIPS processing speed. Five external interrupt sources and 11 timers support limit switches, homing sensors, and synchronized sampling across axes. ECAN links each axis controller into a distributed CAN-based motion network. With 53 I/O pins, one DSC commonly handles an entire single-axis smart drive including safety interlocks and status LEDs, replacing a microcontroller plus CPLD combination and shortening firmware development with Microchip's motor-control libraries.

🧩

Embedded Systems Education and Prototyping

The dsPIC33FJ128MC506A family is a common teaching platform for 16-bit embedded control and digital signal processing courses, supported by Microchip's Explorer 16/32 Development Board, which accepts dsPIC Plug-In Modules (PIMs) for easy device swapping alongside PIC24F and PIC32 families. Students gain exposure to DSP engine instructions, DMA, CAN, and motor-control peripherals on one inexpensive chip with free MPLAB X tooling. The 64-TQFP package on a breakout board is hand-solderable for lab prototypes, and the 3.3V single-supply requirement simplifies bench setups. Because the E/PT grade tolerates -40C to +125C, the same curriculum hardware also serves senior capstone projects involving thermal or motor test rigs where industrial-grade parts are appropriate.

What is the DSPIC33FJ128MC506A-E/PT?
The DSPIC33FJ128MC506A-E/PT is a 16-bit digital signal controller from Microchip Technology in the dsPIC33FJ128MC506A family. It runs at up to 40 MIPS with 128 KB of Flash and 8 KB of RAM, integrates motor-control PWM, ECAN (CAN 2.0B), 8 DMA channels and 11 timers, and comes in a 64-TQFP (10x10 mm) package. The E suffix indicates the extended -40C to +125C operating temperature range, making it suitable for motor control and industrial power-conversion designs.
What is the price of DSPIC33FJ128MC506A-E/PT?
As of 2026-09-26, the DSPIC33FJ128MC506A-E/PT lists at approximately $8.97 per unit in single-piece quantity, with quantity discounts bringing the 1000-piece price to roughly $6.90 per unit, based on distributor data (Heisener lists a unit price of $8.9737). Exact pricing varies by distributor and stock position, so request a quote from XAIPART for current volume pricing and lead time.
Where to buy DSPIC33FJ128MC506A-E/PT online?
The DSPIC33FJ128MC506A-E/PT is available from DigiKey Electronics, Mouser Electronics, RS Components (us.rs-online.com), Microchip USA, and Heisener, which reported 6,176 pieces in stock as of 2026-09-26. DigiKey lists the part as shipping today. XAIPART also supplies this part; request a quote for volume pricing, and always buy from authorized distributors to avoid counterfeit dsPIC33FJ devices.
What is the difference between DSPIC33FJ128MC506A-E/PT and DSPIC33FJ128MC506A-I/PT?
The only difference is the temperature grade: the -E/PT version operates from -40C to +125C (extended), while the -I/PT version operates from -40C to +85C (industrial). Both share identical core specifications - 40 MIPS, 128 KB Flash, 8 KB RAM, ECAN, and the same 64-TQFP footprint - making them functionally interchangeable in designs that stay within +85C ambient.
Is DSPIC33FJ128MC506A suitable for brushless DC motor control?
Yes, the dsPIC33FJ128MC506A family is explicitly optimized for motor control. According to Microchip's product page, the family supports brushless DC motors, single- and 3-phase induction motors, and switched reluctance motors. The 40 MIPS DSP core with single-cycle MAC, 11 timers, and dedicated motor-control PWM outputs provide the deterministic timing needed for commutation, current-loop control, and sensorless algorithms such as back-EMF estimation.
What is the best drop-in replacement for DSPIC33FJ128MC506A-E/PT?
The closest drop-in replacement is the DSPIC33FJ128MC506A-I/PT, which is pin-to-pin compatible in the same 64-TQFP package with identical 40 MIPS / 128 KB Flash / 8 KB RAM specifications, differing only in temperature range (-40C to +85C vs +125C). The non-A DSPIC33FJ128MC506 is also footprint-compatible, though it lacks the A-revision peripheral enhancements. For memory variants, DSPIC33FJ256MC506A and DSPIC33FJ64MC506A keep the same pinout with different Flash sizes.
DSPIC33FJ128MC506A vs DSPIC33FJ128MC506 - what is the difference?
The DSPIC33FJ128MC506A is the A-revision of the dsPIC33FJ128MC506. Both are 16-bit, 40 MIPS DSCs with 128 KB Flash in a 64-TQFP package, but the A-variant incorporates peripheral and analog enhancements made after the original silicon revision. Microchip recommends using the A-version for new designs; existing boards designed for the non-A part can typically accept the A-part on the same footprint, but errata sheets for each revision should be compared before swapping.
When should I choose the DSPIC33FJ128MC506A over DSPIC33FJ64MC506A?
Choose the DSPIC33FJ128MC506A when your application needs more than 64 KB of code space - for example, sensorless FOC algorithms, fieldbus stacks (CANopen), or complex state machines that push beyond the 64 KB Flash of the DSPIC33FJ64MC506A. Both share the same 64-TQFP pinout, 40 MIPS performance, and peripheral set, so the choice is primarily about program memory headroom and cost; the 64 KB part is cheaper if your compiled image fits comfortably with at least 20% margin.
Where to download the DSPIC33FJ128MC506A-E/PT datasheet PDF?
The dsPIC33FJ128MC506A datasheet PDF can be downloaded free from Microchip's official product page at microchip.com/en-us/product/dsPIC33FJ128MC506A. Mirror copies are hosted on datasheet aggregators such as alldatasheet.com (a 374-page document covering the dsPIC33FJXXXMCX06A/X08A/X10A family) and datasheets.com. Always prefer the Microchip-hosted version, since it carries the latest revision and errata for the A-variant silicon.
What supply voltage does the DSPIC33FJ128MC506A-E/PT require?
The DSPIC33FJ128MC506A-E/PT operates from a 3.0V to 3.6V supply, per distributor datasheet listings. A single 3.3V rail powers the core and I/O. Designers interfacing with 5V peripherals must add level shifters or choose 3.3V-compatible parts, and the manufacturer datasheet's power-supply decoupling and internal-regulator capacitor recommendations must be followed for reliable operation across the full -40C to +125C range.
Where can I find the DSPIC33FJ128MC506A pinout for the 64-TQFP package?
The complete 64-pin TQFP pinout is in the pin diagrams section of the dsPIC33FJXXXMCX06A/X08A/X10A family datasheet from Microchip, and the pin diagram on this page reproduces the pin 1 through pin 64 assignment including VDD/VSS pairs, oscillator pins (OSC1/OSC2, SOSCI/SOSCO), analog inputs (AN0-AN13), and motor-control PWM outputs. Cross-check the diagram against the official Microchip datasheet before finalizing your PCB land pattern, since multiplexed pin functions vary by family member.
Is the DSPIC33FJ128MC506A-E/PT RoHS compliant and lead free?
The E/PT package is produced with Microchip's current lead-free, RoHS-compliant finishing process, as is standard for active dsPIC33FJ devices in TQFP packaging; however, this page's verified distributor data does not include an explicit RoHS statement for this exact ordering code, so confirm the compliance certificate on Microchip's product page or via your distributor before releasing it into a RoHS/REACH-regulated build. Distributor listings do confirm AEC-Q100-style extended temperature qualification.
Is the DSPIC33FJ128MC506A-E/PT in stock and what is the lead time?
Yes - DigiKey lists the DSPIC33FJ128MC506A-E/PT as 'Buy now, ships today' as of 2026-09-26, and Heisener reported 6,176 pieces in stock, although Heisener's lead time is marked 'to be confirmed' with an estimated delivery window. For guaranteed scheduled deliveries or volume orders above 1,000 pieces, request a quote from XAIPART, since distributor stock levels change daily and extended temperature E-grade inventory is thinner than the standard I-grade.
Is DSPIC33FJ128MC506A the same as DSPIC33FJ128MC506A-E/PT?
Not exactly - DSPIC33FJ128MC506A is the generic family/base part number, while DSPIC33FJ128MC506A-E/PT is a specific ordering code. The 'E' designates the extended -40C to +125C temperature range, and '/PT' designates the 64-pin TQFP tray package. Other ordering codes from the same die include DSPIC33FJ128MC506A-I/PT (industrial temperature) and tape-and-reel variants. Functionally the silicon is identical; only temperature rating and packaging differ.
What are the key specifications of DSPIC33FJ128MC506A-E/PT that engineers should know?
The DSPIC33FJ128MC506A-E/PT is a 16-bit CMOS digital signal controller with a 40 MIPS core, 128 KB Flash, 8 KB RAM, 53 I/O pins, 8 DMA channels, 11 timers, 4 serial I/O ports (UART/SPI/I2C), 5 external interrupt sources, ECAN (CAN 2.0B), and motor-control PWM for BLDC, induction, and switched reluctance motors. It runs from 3.0V to 3.6V, operates from -40C to +125C, and is packaged in a 64-TQFP (10x10 mm). These figures come from Microchip product data and distributor datasheet listings.
What is the best Microchip alternative with CAN for motor control in the same package?
Within Microchip's catalog, the DSPIC33FJ128MC706A is a strong same-package (64-TQFP) option when higher analog performance is needed, sharing the 40 MIPS dsPIC33F core, ECAN, and motor-control PWM with the same 128 KB Flash class. If the design is not motor-centric, the DSPIC33FJ128GP706A-E/PT offers the same footprint and CAN connectivity but replaces the motor-control PWM emphasis with general-purpose audio/analog peripherals - a trade-off to evaluate per application.

엔지니어링 참조 데이터: DSPIC33FJ128MC506A-E/PT — 비교, 설계 지침 및 규정 준수 정보.

선택 가이드

Choose the DSPIC33FJ128MC506A-E/PT when your motor-control or digital-power design needs 40 MIPS, 128 KB of Flash, ECAN networking, and reliable operation up to +125C ambient in a single 3.3V-supply 64-TQFP. Select the DSPIC33FJ128MC506A-I/PT instead if ambient stays below +85C - it is the same silicon, usually cheaper and more widely stocked. Pick DSPIC33FJ256MC506A when firmware growth (FOC plus protocol stacks) threatens the 128 KB budget, or DSPIC33FJ64MC506A to cut cost on simpler sensor-based BLDC drives. If your board is not motor-centric, the DSPIC33FJ128GP706A-E/PT swaps the motor-control peripherals for general-purpose analog features on the identical footprint. Honest trade-off: dsPIC33FJ is a mature 3.3V-only family - for 5V I/O, lower power, or newer peripherals, evaluate the dsPIC33EP/33EV generations, but expect a redesign rather than a drop-in swap.

대체품과의 비교

파라미터 이 제품 DSPIC33FJ128MC506A-I/PT DSPIC33FJ256MC506A DSPIC33FJ64MC506A DSPIC33FJ128GP706A-E/PT
Package 64-TQFP (10x10 mm) 64-TQFP (10x10 mm) - same 64-TQFP (10x10 mm) - same 64-TQFP (10x10 mm) - same 64-TQFP (10x10 mm) - same
Brand Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology
CPU Speed 40 MIPS 40 MIPS 40 MIPS 40 MIPS 40 MIPS
Flash Memory 128 KB 128 KB 256 KB 64 KB 128 KB
Motor Control PWM Yes Yes Yes Yes No (GP family)
CAN (ECAN) Yes, CAN 2.0B Yes, CAN 2.0B Yes, CAN 2.0B Yes, CAN 2.0B Yes, CAN 2.0B

주요 차별점

  • Extended -40C to +125C operation at standard-variant pricing (vs DSPIC33FJ128MC506A-I/PT)
  • Double the program memory of the 64 KB class sibling (vs DSPIC33FJ64MC506A)
  • Motor-control peripheral set absent from GP-family twins (vs DSPIC33FJ128GP706A-E/PT)

설계 노트

Supply the DSPIC33FJ128MC506A-E/PT from a clean 3.0V-3.6V rail; exceeding 3.6V on VDD stresses the core regulator and I/O structures. Place a 0.1uF ceramic capacitor at each VDD pin pair (pins 15/20, 33, 52) plus bulk 10uF near pin 15. Keep AVDD (pin 59) fed through an RC filter (e.g., ferrite bead plus 10uF + 0.1uF) from the digital rail to protect ADC accuracy. Decouple VDDCORE per the internal regulator guidance in the manufacturer datasheet - do not omit these capacitors or the device will not start.

For motor-control layouts, route the six PWM outputs (pins 50-51, 53-54, 55-58, 61-64) away from the analog inputs AN0-AN13 on the RB port to prevent switching transients from corrupting current-sense samples. Use a solid ground plane, connect AVSS (pin 60) to the analog ground island at a single point, and keep the crystal circuit (OSC1/OSC2, pins 21-22) with short traces and guard grounding. This layout discipline is the difference between clean 12-bit-class current sampling and noisy feedback on a typical inverter PCB.

Three recurring mistakes with this device: (1) assuming 5V-tolerant I/O - the 53 I/O pins are 3.3V only, so level-shift any 5V sensor or legacy peripheral; (2) mismatching temperature grade - the -E/PT part is required for ambients above +85C, the -I/PT version will not survive the full industrial cabinet range; (3) upgrading from non-A to A-revision silicon without reviewing the respective errata sheets - peripheral behavior on early non-A parts differs in documented cases. Always confirm the exact ordering code on incoming reel labels during incoming inspection.

규정 준수 정보

RoHS
Unknown
REACH
Unknown
AEC-Q100
Qualified
무연
Unknown
무할로겐
Unknown
분쟁 광물
Unknown

Distributor datasheet listing (datasheets.globalspec.com) states AEC-Q100 qualification for the TQFP-64 product. RoHS/REACH/lead-free status was not explicitly stated in the provided verified data for this exact ordering code - confirm via Microchip's product page compliance documents.

데이터 검증일: 2026-09-26 — XAIPART 부품 엔지니어링 팀이 검증하고 관리한 데이터

관련 검색

DSPIC33FJ128MC506A-E/PT DSPIC33FJ128MC506A datasheet PDF Microchip DSPIC33FJ128MC506A-E/PT price 16-bit DSC 40 MIPS 128KB Flash TQFP-64 64-TQFP dsPIC33FJ motor control controller dsPIC33FJ128MC506A brushless DC motor control DSPIC33FJ128MC506A vs DSPIC33FJ128MC506 DSPIC33FJ128MC506A-E/PT drop-in replacement buy DSPIC33FJ128MC506A-E/PT in stock DSPIC33FJ128MC506A-E/PT pinout 64-TQFP what can replace DSPIC33FJ128MC506A-E/PT dsPIC33FJ128MC506A ECAN CAN 2.0B controller

관련 부품 & 용어

Microchip Technology DSPIC33FJ128MC506A-E/PT DSPIC33FJ128MC506A-I/PT DSPIC33FJ256MC506A DSPIC33FJ64MC506A DSPIC33FJ128GP706A-E/PT dsPIC33FJ digital signal controller DSC digital signal processor microcontroller 16-bit modified Harvard architecture AEC-Q100 ECAN CAN 2.0B 64-TQFP TQFP package family surface mount motor control PWM brushless DC motor field-oriented control DMA UART SPI I2C
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